Oppenheimer Bank is offering a $30-$year mortgage with an APR of $4\mathrm{.}83\%$ based on monthly compounding. With

this mortgage, your monthly payments would be $$1,956$ per month. In addition, Oppenheimer Bank offers you the

following deal: Instead of making the monthly payment of $$1,956$ every month, you can make half the payment every

two weeks $($so that you will make $\frac{52}{2}=26$ payments per year$).$ With this plan, how long will it take to pay off the

mortgage if the EAR of the loan is unchanged? Note: Make sure to round all intermediate calculations to at least $8$

decimal places.

The number of payments will be

$($Round to two decimal places.$)$